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lights/dayshapes/sound signals Flashcards

1
Q

Power-Driven vessels (>50 M) display what lights?

A

masthead light forward
second masthead light abaft and higher than the first
sidelights
Stern light

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2
Q

What side is the green side light on? the red?

A

Starboard side has green light

Port side has red light

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3
Q

Sailing vessels display what lights? What is the diddy for the lights? What is the cutoff in length for the lantern lights?

A

Lights: red over green masthead lights, sidelights, stern light
Diddy: “Red over Green” = sailing machine
20 meter cutoff length

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4
Q

Fishing vessels display what lights and what dayshape? What is the diddy for the lights?

A

Lights: red all-around light above a white all-around light, sidelights and a stern light
Dayshape: two cones with apexes together in vertical line (hourglass)
Diddy: “Red over White” = Fishing at night
Whether underway or at anchor

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5
Q

Trawling vessels display what lights and what dayshape? What is the diddy for the lights?

A

Lights: Green all-around light above a white all-around light
Dayshape: hourglass
Diddy: “Green over White” = trawling at night

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6
Q

Vessels not under command (not making way) display what lights and what dayshape? What is the diddy for the lights?

A

Lights: Red all around light over red all around light
Dayshape: two vertical black balls
Diddy: “Red over Red” = Captain is dead

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7
Q

Vessels not under command (making way) display what lights and what dayshape? What is the diddy for the lights?

A

Lights: Red over Red light, SIDELIGHTS
Dayshape: two vertical black balls
Diddy: “Red over Red” = Captain is dead

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8
Q

Vessels restricted in their ability to maneuver (not making way/anchored) display what lights and what dayshape? What is the diddy for the lights?

A

Lights: red over white over red, all around white light
Dayshape: ball diamond ball, and extra ball for anchor
Diddy: none

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9
Q

Vessel restricted in ability to maneuver (making way) display what lights and what dayshape? What is the diddy for the lights?

A

Lights: Red over white over red
Dayshape: Ball Diamond Ball in vertical line
Diddy: none

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10
Q

Vessels constrained by draft may display what lights and what dayshape?

A

Lights: Red over Red over Red (in addition to normal power driven vessel lights)
Dayshape: cylinder in vertical line
Diddy: Constrained By Draft is three words
Three words = Three red lights

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11
Q

Pilot vessels display what lights? What is the diddy?

A

Lights: White over Red

White over red = pilot ahead

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12
Q

What lights do vessels anchored display? What dayshape do they display?

A

Lights: in fore part of ship, all round white light
Dayshape: single black ball
Think they are anchored like a lighthouse (single light)
Stereotypical lighthouse has a little black ball on roof

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13
Q

What lights vessels that have run aground display? What dayshape do they display?

A

lights: Two all round red lights in a vertical line with a white light above overall
Dayshape: three balls in a vertical line

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14
Q 
Maneuvering Signals (International):
1 short blast?
2 short blasts?
3 short blasts?
A

1 short blast: “I AM altering my course to starboard”
2 short blasts: “I AM altering my course to port
3 short blasts: “I AM operating astern propulsion”
Remember: PESO for inter.

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15
Q

Is acknowledgement of maneuvering signals needed in open waters?

A

No

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16
Q 
Maneuvering Signals (Inland):
1 short blast?
2 short blasts?
3 short blasts?
A

1: “I INTEND to leave you on my port side
2: “I INTEND to leave you on my starboard side”
3: “I am operating astern propulsion”
Upon hearing 1 or 2 signal, other vessel shall acknowledge using same signal

17
Q 
Overtaking Signals (international):
2 prolonged, 1 short?
2 prolonged, 2 short?
A

2,1: “I intend to overtake you on your starboard side”

2,2: “I intend to overtake you on your port side

18
Q

What is job of vessel about to be overtaken, upon hearing overtaking signals in international waters?

A

Acknowledge intention with 1 prolonged, 1 short, 1 prolonged, 1 short

19
Q 
Overtaking signals (inland):
1 short blast?
2 short blast?
A

1: “I intend to overtake you on your starboard side”
2: “I intend to overtake you on your port side”
PESO used in overtaking inland

20
Q

What is job of vessel being overtaken upon hearing 1 or 2 blast signal? (inland)

A

Respond using same signal

21
Q

When power-drive vessel are leaving a dock or berth, what shall they sound?

A

1 prolonged blast

22
Q

When approaching an obscured bend or area of a channel (inland or int.) what shall they sound?

A

1 prolonged blast

23
Q

What is danger signal in inland and international waters?

A

5 short blasts

24
Q

(restricted visibility) Power driven vessels making way in restricted visibility shall sound what?

A

1 prolonged blast at an interval not to exceed 2 minutes

25
Q

(restricted visibility) Power-driven vessel underway but not making way shall sound what?

A

2 prolonged blasts at an interval not to exceed 2 minutes

26
Q

(restricted visibility) What vessels sound 1 prolonged and 2 short blasts in restricted visibility, at intervals not to exceed 2 minutes?

A

Not Under Command
Sailing
Towing
Fishing

27
Q

Vessels engaged in mineclearance ops display what lights and what dayshape?

A

Lights: Three green lights, one higher than the other two
Dayshape: 3 black balls in same orientation as lights

28
Q

What kind of vessel has this light orientation?
Red
White

A

Fishing vessel

Red over white = fishing at night

29
Q

What kind of vessel has this light orientation?
Green
White

A

Trawling vessel

Green over white = trawling at night

30
Q

What kind of vessel has this light/dayshape orientation?
| (cylinder)
Red [ ]
Red [ ]
Red |

A

Vessel constrained by draft

31
Q

What is the day shape for a sailing vessel using a motor?

A

Upside down triangle

32
Q

(restricted visibility) What is the sound signal for a vessel being towed?

A

1 prolonged blast, 3 short blasts, sounded immediately after towing vessels sound signals

33
Q

A power driven vessel when towing exhibits what lights?

A

two masthead lights in a vertical line (3 lights if length of tow > 200m)
sidelights
sternlights
a yellow towing light held directly above the stern light

34
Q

(restricted visibility) what is the sound signal for a vessel that has run aground?

A

3 distinct rings of bell, ring bell rapidly, 3 distinct rings of the bell

35
Q

INTERNATIONAL ONLY Which vessel is required to sound two prolonged blasts followed by one short blast on the whistle?

A

an overtaking vessel in a narrow channel

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